148
CDUS46 KSGX 120018
CLIONT
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
418 PM PST THU DEC 11 2025
...............................
...THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR DECEMBER 11 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 84R 2:35 PM 83 2004 67 17 73
MINIMUM 52 5:36 AM 34 1998 44 8 42
2011
AVERAGE 68 55 13 58
PRECIPITATION (IN)
TODAY 0.00 1.07 2022 0.06 -0.06 0.00
MONTH TO DATE 0.00 0.60 -0.60 0.00
SINCE JUL 1 5.21 1.99 3.22 0.15
SINCE OCT 1 5.09 1.81 3.28 0.15
SINCE JAN 1 11.28 10.35 0.93 16.44
DEGREE DAYS
HEATING
TODAY 0 10 -10 7
MONTH TO DATE 45 101 -56 48
SINCE DEC 1 45 101 -56 48
SINCE JUL 1 156 263 -107 199
COOLING
TODAY 3 0 3 0
MONTH TO DATE 7 0 7 0
SINCE DEC 1 7 0 7 0
SINCE JAN 1 2012 1967 45 2027
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (10)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 2.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 48 5:00 AM
LOWEST 19 1:00 PM
AVERAGE 34
......................................................
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 84 2010
MINIMUM TEMPERATURE (F) 43 36 2007
SUNRISE AND SUNSET
DECEMBER 11 2025......SUNRISE 6:46 AM PST SUNSET 4:42 PM PST
DECEMBER 12 2025......SUNRISE 6:47 AM PST SUNSET 4:42 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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